Now assume that all the fish in the database are in the same tank and that 20% of them are arctic chars fish. Now suppose we choose 5 fish from the tank at random. A) What is the probability that two of the fish are arctic chars fish? B) What is the probability that less than two of the fish are arctic chars fish?

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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 Now assume that all the fish in the database are in the same tank and that 20% of them are arctic chars fish. Now suppose we choose 5 fish from the tank at random.

 

 

A) What is the probability that two of the fish are arctic chars fish?

B) What is the probability that less than two of the fish are arctic chars fish?

 

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